EP1207149B1 - Verfahren zur Hydrierung von Nitrilen an Raney-Katalysatoren - Google Patents
Verfahren zur Hydrierung von Nitrilen an Raney-Katalysatoren Download PDFInfo
- Publication number
- EP1207149B1 EP1207149B1 EP01125324A EP01125324A EP1207149B1 EP 1207149 B1 EP1207149 B1 EP 1207149B1 EP 01125324 A EP01125324 A EP 01125324A EP 01125324 A EP01125324 A EP 01125324A EP 1207149 B1 EP1207149 B1 EP 1207149B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- catalyst
- water
- alkali metal
- alloy
- hydrogenation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- ZAGOKQGYDCMNPT-UHFFFAOYSA-N COCCOCCC#N Chemical compound COCCOCCC#N ZAGOKQGYDCMNPT-UHFFFAOYSA-N 0.000 description 1
- BATPRUOCWWXKAF-UHFFFAOYSA-N N#CCCN(CCCCC1)C1=O Chemical compound N#CCCN(CCCCC1)C1=O BATPRUOCWWXKAF-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/12—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms
- C07D295/125—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
- C07D295/13—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly or doubly bound nitrogen atoms with the ring nitrogen atoms and the substituent nitrogen atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J25/00—Catalysts of the Raney type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/44—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers
- C07C209/48—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of nitriles
Definitions
- the invention relates to a process for the hydrogenation of nitriles to primary amines an activated macroporous Raney catalyst, a process for Preparation of the Raney catalysts and the Raney catalysts themselves.
- EP-A-0 382 508 describes the semi-continuous hydrogenation of polynitriles in liquid phase on Raney cobalt catalysts in the presence of anhydrous Ammonia.
- US 4,895,994 discloses a Raney catalyst having a BET surface area of 20 to 80 m 2 / g and a macropore content of 0.01 to 70% by volume based on the total pore volume produced by blending the Raney alloy with a high molecular weight polymer, shaping the mixture into a shaped article, calcining the composition first at 300 to 700 ° C and then at 850 to 1200 ° C in the presence of oxygen and leaching aluminum from the calcined shaped article by treatment with 6 N NaOH 90 to 100 ° C. The thus activated catalyst is then repeatedly washed with water until the pH of the wash water is ⁇ 9.
- the Raney catalyst is used, inter alia, for the hydrogenation of nitriles to amines.
- EP-A-0 842 699 discloses a process for producing an activated, metal powder-free, Raney macroporous metal fixed bed catalyst based on Raney an alloy of aluminum and at least one metal of subgroup VIII of the Periodic table, comprising the steps of (1) preparing a plasticine containing the Alloy, a deforming agent, water and a pore-forming agent, (2) deforming the Putty to a molding, (3) calcining the molding and (4) treating the calcined shaped body with an alkali metal hydroxide. After the treatment of the Molded with alkali metal hydroxide, the activated catalyst with water washed until the pH of the wash water has dropped to 7.5. The thus obtained Catalyst has a content of macropores of more than 80 vol .-%. The catalyst is used for the hydrogenation of nitriles to primary amines.
- Raney catalysts have on their surface aluminum oxides and hydroxides with acidic and / or basic properties such as Al (OH) 3 , AIOOH or ⁇ -Al 2 O 3 , which in the hydrogenation the nitriles can lead to side reactions.
- side reactions are, for example, the cleavage of the nitrile or an amine-imine condensation.
- the object of the invention is a process for the gentle hydrogenation of nitriles to provide a high selectivity for the formation of primary amines and in which side reactions such as cleavage of the nitriles are avoided.
- the object is further achieved by a method for producing the macropores Raney catalyst and macroporous Raney catalyst even.
- a plasticine of an aluminum alloy is first prepared and at least one transition metal selected from the group consisting of iron, Cobalt and nickel, and optionally one or more further transition metals, selected from the group consisting of titanium, zirconium, chromium and manganese, one Deforming agent, water and a Porentruckner ago.
- transition metals are nickel and cobalt, particularly preferred are solid solutions of nickel in cobalt or cobalt in nickel containing the dissolved metal in a concentration of 0.05 to 50 wt .-% included.
- the alloy contains at least one more transition metal selected from titanium, zirconium, chromium and manganese as a promoter, generally in concentrations of from 0.01 to 15% by weight, preferably 0.05 to 5 wt .-%, based on the total amount of transition metals.
- the weight ratio of aluminum to transition metal is usually in the range from 30 to 70% by weight of aluminum and from 30 to 70% by weight of transition metal.
- the production of the aluminum alloy is carried out in a conventional manner, for example, as described in DE 21 59 736, their content with respect to the production of alloys of aluminum and said transition metals Reference is included in the present application.
- waxes such as wax C Micropowder PM from HOECHST AG
- fats such as magnesium or aluminum stearates
- Carbohydrate-containing polymers such as Tylose (methyl cellulose), used, further Stearic acid and Tylose are preferably used.
- the content of the deforming agent in the kneading composition is generally about 0.1 to about 3 wt .-%, preferably about 0.2 to about 2 wt.%, preferably about 0.5 to about 1 Wt .-%.
- Polymers can be used as pore formers, provided that they have a molecular weight of more have from 6000 to about 500 000 g / mol. Their molecular weight is preferably about 10,000 to about 200,000 g / mol, more preferably about 13 000 to about 150,000 g / mol, and more preferably about 13,000 to about 50,000 g / mol.
- Examples of in the context of the method according to the invention as a pore-forming agent Usable polymers are polyvinyl chloride, copolymers of an olefin with polar Comonomers, such as ethylene or propylene with polyvinyl chloride, polyvinylidene chloride copolymers, ABS resins, polyethylene copolymers with vinyl acetate, alkyl acrylates, Acrylic acid, chlorinated polyethylenes, chlorosulfonated polyethylenes, thermoplastic Polyurethanes, polyamides such as nylon-5, nylon-12, nylon-6/6, nylon-6/10, nylon-11, Fluorine-containing resins such as FEP, polyvinylidene fluoride, polychlorotrifluoroethylene, Acrylonitrile-methyl (meth) acrylate copolymers, acrylonitrile-vinyl chloride copolymers, Styrene-acrylonitrile copolymers, such as methacrylonitrile-styrene copolymers,
- the content of the pore-forming agent in the kneading material is about 1 to about 20 wt .-%, preferably about 4 to about 8 wt .-%, each based on the Total weight of the plasticine.
- the modeling clay of the alloy, the deformation agent, water and the pore-forming agent is formed into shaped articles, with tablets and strands being preferred.
- the Processing to the moldings is in this known apparatus, for example in extruders, tablet or extrusion presses.
- strands with a diameter of 3.0 mm usually prepared after leaving the extruder at room temperature allowed to dry. Subsequently, a drying at 80 to 200 ° C over 12 to 24 hours.
- the calcination of the moldings is preferably as a particularly gentle three-stage Calcination process carried out at atmospheric pressure.
- the moldings preferably first for 1 to 3 hours at about 400 to about 500 ° C, then 1 to 3 hours at about 700 to about 800 ° C and then at 1 to 3 hours at about 900 to about 1000 ° C treated.
- the calcination is usually done in air performed.
- the activation of the calcined shaped body is inventively with a Alkali metal hydroxide, preferably lithium hydroxide, sodium hydroxide, potassium hydroxide or cesium hydroxide or mixtures thereof, more preferably with sodium hydroxide alone or in admixture with the abovementioned alkali metal hydroxides.
- the molar ratio of alkali metal hydroxide to aluminum is usually about 1: 1 to about 5: 1, preferably about 1.5: 1 to about 3: 1.
- the temperature of activation is usually about 25 ° C to about 106 ° C, preferably about 45 ° C to about 90 ° C.
- the duration of the activation depends essentially on the desired final content Aluminum and is generally in the range of 1 to 10 hours, preferably 2 up to 5 hours.
- the activation procedure can also be carried out several times.
- the catalyst-shaped body After activation, the catalyst-shaped body with aqueous Alkalimetallhydroxid solution and then rinsed with water. It is essential that before rinsing with water, first rinsed with aqueous alkali metal hydroxide solution becomes.
- rinsing with an aqueous solution of the alkali metal hydroxide wherein the alkali metal hydroxide is 5 to 30% by weight, preferably 15 to 25% by weight.
- the alkali metal hydroxide is the same for rinsing Alkali metal hydroxide as used in the activation of the catalyst, and is the Alkaline hydroxide concentration of the rinse solution the same as in the activation used alkali metal hydroxide solution.
- the rinsing is preferably at Room temperature performed.
- the rinsing with alkali metal hydroxide solution be carried out several times, preferably it is carried out in triplicate, the Total amount of alkali used is similar to the activation. Only after Rinsing with water, preferably as long as to a pH of the rinse water of about 8 is reached.
- the catalysts thus prepared have an alpha-Al 2 O 3 content of generally> 0.1% by weight, preferably> 1.0% by weight.
- the washed, activated catalyst moldings are submerged, preferably kept in a mixture of water and methanol.
- the resulting shaped catalyst bodies have a macropore volume of at least 0.1 ml / g, preferably from 0.1 to 0.5 ml / g, a macropore content of at least 80% by volume, preferably from 85 to 95% by volume. , based on the total pore volume, and a specific surface area of ⁇ 20 m 2 / g, preferably from 10 to 20 m 2 / g. According to the invention, pores with a diameter ⁇ 50 nm are understood to mean macropores.
- Examples are iminodiacetonitrile, nitrilotrisacetonitrile, ethylenediaminetetraacetonitrile, Biscyanoethylpiperazine, dimethylaminopropionitrile dimethylaminopropylaminopropionitrile and methoxypropionitrile.
- An example is isophorone nitrilimine.
- the hydrogenation may be continuous in the gas phase, with or without solvent Fixed bed reaction with fixed catalyst, for example in sump or Rieselfahrweise, or as a fluidized bed reaction with up and swirling movement be carried out catalyst. Preference is given to working in a fixed bed. Dinitriles or polynitriles may also be partially hydrogenated. By changing the Residence time, the conversion and thus the product ratios of amines to Amino nitriles are targeted.
- the hydrogenation can be carried out on a fixed catalyst bed.
- Suitable reactors for the hydrogenation in fixed bed mode are tubular reactors.
- the temperature is generally from 25 to 125 ° C, the hydrogen pressure generally from 10 to 300 bar.
- the nitriles to be hydrogenated may be dissolved in an organic solvent.
- Preferred organic solvents are aliphatic alcohols, amines, amides such as N-methylpyrrolidone and dimethylformamide, ethers or esters.
- the catalyst loading is generally between 0.5 and 20, preferably between 2 and 10 moles nitrile / liter of catalyst * h.
- the hydrogenation in fixed bed mode can be carried out in the presence of ammonia.
- the ammonia content is generally from 6 to 60, preferably from 12 to 36 moles of ammonia per mole of nitrile to be hydrogenated.
- the strands are dried for 16 h in air, then dried at 120 ° C for 16 h and then calcined at 450 ° C for 1 h, 750 ° C for 1 h and 900 ° C for 2 h. After that The strands are crushed into chippings with a grain fraction of 1.5 - 4 mm. 300 g Chippings are added to 4 l of 20% strength by weight sodium hydroxide solution at 70.degree. After the subsidence of Hydrogen evolution after about 1 h is heated to 90 ° C and for 3 h at this Temperature maintained. The thus activated catalyst is by Dekdekantieren of the zur Activation used sodium hydroxide solution separately.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
- X
- O oder S,
- Y
- N oder P,
- n
- 0 oder 1
- R, R1, R2, R3, R4, R5
- unabhängig voneinander H oder einen gegebenenfalls substituierten Alkylrest mit 1 - 10 C-Atomen oder einen gegebenenfalls substituierten Arylrest mit 6 - 12 C-Atomen
- R1, R2 und R3
- unabhängig voneinander H oder einen gegebenenfalls substituierter Alkylrest mit 1 - 10 C-Atomen oder ein gegebenenfalls substituierter Arylrest mit 6 - 12 C-Atomen und
- o,p
- 0, 1, 2, 3, 4 oder 5
Claims (14)
- Verfahren zur Hydrierung von Nitrilen zu primären Aminen an einem aktivierten, alpha-Al2O3 enthaltenden, Makroporen aufweisenden Raney-Katalysator auf Basis einer Legierung aus Aluminium und mindestens einem Übergangsmetall, ausgewählt aus der Gruppe bestehend aus Eisen, Cobalt und Nickel, und gegebenenfalls einem oder mehreren weiteren Übergangsmetallen, ausgewählt aus der Gruppe bestehend aus Titan, Zirkonium, Chrom und Mangan, der erhältlich ist durch ein Verfahren mit den Schritten in der Reihenfolge (a) - (f):(a) Herstellen einer Knetmasse enthaltend die Legierung, ein Verformungsmittel, Wasser und einen Porenbildner;(b) Verformen der Knetmasse zu einem Formkörper;(c) Calcinieren des Formkörpers;(d) Aktivieren des calcinierten Formkörpers durch Behandeln mit wässriger Alkalimetallhydroxid-Lösung;(e) Spülen des Katalysator-Formkörpers mit wässriger Alkalimetallhydroxid-Lösung;(f) Spülen des Katalysator-Formkörpers mit Wasser.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass der Katalysator auf Basis einer Legierung aus Aluminium und einer festen Lösung aus Nickel in Cobalt oder Cobalt in Nickel, die 0,05 - 50 Gew.-% des gelösten Metalls und gegebenenfalls 0,05 bis 5 Gew.-% des oder der weiteren Übergangsmetalle enthält, hergestellt ist.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Makroporenanteil des Katalysators mindestens 80 % und das Gesamtporenvolumen mindestens 0,1 ml/g beträgt.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Hydrierung kontinuierlich an einem Katalysator-Festbett durchgeführt wird.
- Verfahren nach Anspruch 4, dadurch gekennzeichnet, dass die Hydrierung in einem Strömungsrohr in Sumpf- oder Rieselfahrweise durchgeführt wird.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß das zu hydrierende Nitril in einem organischen Lösungsmittel gelöst vorliegt.
- Verfahren nach Anspruch 6, dadurch gekennzeichnet, daß als Lösungsmittel Dimethylformamid oder N-Methylpyrrolidon eingesetzt wird.
- Verfahren nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß die Hydrierung in Gegenwart von Ammoniak durchgeführt wird.
- Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß die Hydrierung bei einer Temperatur von 25 bis 125°C und einem Druck von 10 bis 300 bar durchgeführt wird.
- Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß das Nitril ausgewählt ist aus Strecker-Nitrilen oder Michael-Addukten an Acrylniril.
- Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß das Nitril ausgewählt ist aus der Gruppe bestehend aus Iminodiacetonitril, Nitrilotrisacetonitril, Ethylendiamintetraacetonitril, Biscyanoethylpiperazin, Dimethylaminopropionitril, Dimethylaminopropylaminopropionitril, Isophoronnitrilimin und Methoxypropionitril.
- Verfahren zur Herstellung eines aktivierten, alpha-Al2O3 enthaltenden, Makroporen aufweisenden Raney-Katalysator auf Basis einer Legierung aus Aluminium und mindestens einem Übergangsmetall, ausgewählt aus der Gruppe bestehend aus Eisen, Cobalt und Nickel, und gegebenenfalls einem oder mehreren weiteren Übergangsmetallen, ausgewählt aus der Gruppe bestehend aus Titan, Zirkonium, Chrom und Mangan, mit den Schritten in der Reihenfolge (a) - (f):(a) Herstellen einer Knetmasse enthaltend die Legierung, ein Verformungsmittel, Wasser und einen Porenbildner;(b) Verformen der Knetmasse zu einem Formkörper;(c) Calcinieren des Formkörpers;(d) Aktivieren des calcinierten Formkörpers durch Behandeln mit wässriger Alkalimetallhydroxid-Lösung;(e) Spülen des Katalysator-Formkörpers mit wässriger Alkalimetallhydroxid-Lösung;(f) Spülen des Katalysator-Formkörpers mit Wasser.
- Makroporen aufweisender Raney-Katalysator, herstellbar nach dem Verfahren gemäß Anspruch 12.
- Makroporen aufweisender Raney-Katalysator nach Anspruch 13, dadurch gekennzeichnet, daß der Makroporenanteil mindestens 80 % und das Gesamtporenvolumen mindestens 0,1 ml/g beträgt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10056839A DE10056839A1 (de) | 2000-11-16 | 2000-11-16 | Verfahren zur Hydrierung von Nitrilen an Raney-Katalysatoren |
DE10056839 | 2000-11-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1207149A1 EP1207149A1 (de) | 2002-05-22 |
EP1207149B1 true EP1207149B1 (de) | 2005-01-26 |
Family
ID=7663533
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01125324A Expired - Lifetime EP1207149B1 (de) | 2000-11-16 | 2001-10-26 | Verfahren zur Hydrierung von Nitrilen an Raney-Katalysatoren |
Country Status (5)
Country | Link |
---|---|
US (1) | US6677486B2 (de) |
EP (1) | EP1207149B1 (de) |
JP (1) | JP2002205975A (de) |
AT (1) | ATE287869T1 (de) |
DE (2) | DE10056839A1 (de) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6660887B1 (en) * | 2002-12-23 | 2003-12-09 | Solutia Inc. | Low pressure process for manufacture of 3-dimethylaminopropylamine (DMAPA) |
WO2005042153A1 (en) * | 2003-10-22 | 2005-05-12 | Degussa Ag | The use of activated granulates of base metals for organic transformations |
US20110218362A1 (en) * | 2004-11-10 | 2011-09-08 | Degussa Gmbh | Fixed Bed Hydrogenation Of Fatty Nitriles To Fatty Amines |
CN100435947C (zh) * | 2006-12-20 | 2008-11-26 | 中国日用化学工业研究院 | 脂肪腈加氢制脂肪伯胺的催化剂及制法和应用 |
WO2008104578A1 (de) * | 2007-03-01 | 2008-09-04 | Basf Se | Verfahren zur herstellung von ethylenaminen aus roh-aan |
US7880036B2 (en) * | 2007-03-01 | 2011-02-01 | Basf Se | Production method for ethyleneamine mixtures |
JP5409393B2 (ja) * | 2007-03-01 | 2014-02-05 | ビーエーエスエフ ソシエタス・ヨーロピア | エチレンアミンの製造方法 |
DE102007011483A1 (de) * | 2007-03-07 | 2008-09-18 | Evonik Degussa Gmbh | Verfahren zur Herstellung von 3-Aminomethyl-3,5,5-trimethylcyclohexylamin |
FR2935704B1 (fr) * | 2008-09-09 | 2010-08-27 | Rhodia Operations | Procede de fabrication d'amines |
TWI490034B (zh) * | 2009-11-17 | 2015-07-01 | Basf Se | 製備具有增強氫化活性之經承載氫化觸媒之方法 |
US9139511B2 (en) * | 2011-03-22 | 2015-09-22 | Basf Se | Process for hydrogenating nitriles |
US20120245389A1 (en) * | 2011-03-22 | 2012-09-27 | Basf Se | Process for hydrogenating nitriles |
CN102924286B (zh) * | 2012-10-31 | 2014-06-11 | 万华化学集团股份有限公司 | 一种n1-(2-氨乙基)-1,2-乙二胺的制备方法 |
EP2918610A1 (de) | 2014-03-10 | 2015-09-16 | LANXESS Deutschland GmbH | Verfahren zur Herstellung von aminogruppenhaltigen Polymeren mit einem heterogenen Eisenkatalysator |
EP2918609A1 (de) * | 2014-03-10 | 2015-09-16 | LANXESS Deutschland GmbH | Vulkanisierbare Zusammensetzungen enthaltend aminomethylgruppenhaltigen hydrierten Nitrilkautschuk, Verfahren zu deren Vulkanisation und dadurch erhältliche Vulkanisate |
EP2918612B1 (de) * | 2014-03-10 | 2016-09-07 | ARLANXEO Deutschland GmbH | Aminomethylgruppenhaltiger hydrierter nitrilkautschuk, verfahren zu dessen herstellung, vulkanisierbare zusammensetzungen enthaltend aminomethylgruppenhaltigen hydrierten nitrilkautschuk, verfahren zu deren vulkanisation und dadurch erhältliche vulkanisate |
EP2918608A1 (de) * | 2014-03-10 | 2015-09-16 | LANXESS Deutschland GmbH | Aminomethylgruppenhaltiger hydrierter Nitrilkautschuk und Verfahren zu dessen Herstellung |
CN107188809A (zh) * | 2016-03-14 | 2017-09-22 | 史小鸣 | 一种二乙烯三胺的制备 |
CN116867764A (zh) | 2021-02-16 | 2023-10-10 | 巴斯夫欧洲公司 | 异佛尔酮二胺的制造方法 |
EP4347552A1 (de) | 2021-06-02 | 2024-04-10 | Basf Se | Verfahren zur herstellung von isophorondiamin |
CN116474794B (zh) * | 2022-01-13 | 2025-04-04 | 万华化学集团股份有限公司 | 一种双功能成型骨架钴催化剂的制备方法与应用 |
CN114835588B (zh) * | 2022-05-06 | 2023-05-26 | 万华化学集团股份有限公司 | 一种双氰乙基脂环胺加氢制备双氨丙基脂环胺的方法 |
CN115193436B (zh) * | 2022-08-22 | 2024-01-26 | 山东明化新材料有限公司 | 一种镍钴金属骨架催化剂、制备方法及其应用 |
WO2024115263A1 (en) | 2022-12-02 | 2024-06-06 | Basf Se | Method for manufacture of isophoronediamine |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4895994A (en) * | 1988-04-14 | 1990-01-23 | W. R. Grace & Co.-Conn. | Shaped catalysts and processes |
US4826799A (en) * | 1988-04-14 | 1989-05-02 | W. R. Grace & Co.-Conn. | Shaped catalyst and process for making it |
DE19643126A1 (de) * | 1996-10-18 | 1998-04-23 | Basf Ag | Metall-Festbettkatalysator nach Raney, Verfahren zu seiner Herstellung sowie ein Verfahren zur Hydrierung von Polymeren unter Verwendung dieses Katalysators |
DE19721897A1 (de) * | 1997-05-26 | 1998-12-03 | Degussa | Geformter Metall-Festbettkatalysator, Verfahren zu seiner Herstellung und seine Verwendung |
DE10056840A1 (de) * | 2000-11-16 | 2002-05-23 | Basf Ag | Verfahren zur Hydrierung von Nitrilen an Raney-Katalysatoren |
-
2000
- 2000-11-16 DE DE10056839A patent/DE10056839A1/de not_active Withdrawn
-
2001
- 2001-10-26 DE DE50105187T patent/DE50105187D1/de not_active Expired - Lifetime
- 2001-10-26 EP EP01125324A patent/EP1207149B1/de not_active Expired - Lifetime
- 2001-10-26 AT AT01125324T patent/ATE287869T1/de not_active IP Right Cessation
- 2001-11-07 US US09/985,982 patent/US6677486B2/en not_active Expired - Fee Related
- 2001-11-13 JP JP2001347779A patent/JP2002205975A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE10056839A1 (de) | 2002-05-23 |
DE50105187D1 (de) | 2005-03-03 |
JP2002205975A (ja) | 2002-07-23 |
US20020058841A1 (en) | 2002-05-16 |
ATE287869T1 (de) | 2005-02-15 |
US6677486B2 (en) | 2004-01-13 |
EP1207149A1 (de) | 2002-05-22 |
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